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发明名称
Verfahren zur Ersetzung von verlegten Rohren und Vorrichtung zur Durchführung des Verfahrens
摘要
申请公布号
DE69802991(T2)
申请公布日期
2002.08.22
申请号
DE19986002991T
申请日期
1998.04.15
申请人
TOHO GAS CO. LTD., NAGOYA;KABUSHIKI KAISHA ISEKIKAIHATSUKOHKI, TOKIO/TOKYO
发明人
TOSHIO, AKESAKA;NOBUHISA, TAKAMATSU;TAKAYUKI, KUROBE;TOSHIO, HIRAI
分类号
F16L1/024;E21B7/30;F16L1/00;F16L55/165;(IPC1-7):F16L55/165
主分类号
F16L1/024
代理机构
代理人
主权项
地址
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